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Viscoelastic behavior of composite ligament prostheses

✍ Scribed by Ambrosio, L. ;De Santis, R. ;Iannace, S. ;Netti, P. A. ;Nicolais, L.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 190 KB
Volume: 42
Category: Article
ISSN: 0021-9304
DOI: 10.1002/(sici)1097-4636(199810)42:1<6::aid-jbm2>3.0.co;2-u

No coin nor oath required. For personal study only.

✦ Synopsis

Despite the compelling need for artificial connective tissue replacements for orthopedic applications, to date, there is no material which can adequately reproduce the mechanical behavior of natural tissue with necessary longterm endurance. In this work, we introduce a novel soft composite material as a more suitable candidate for connective tissue replacement. The material proposed is based on a hydrogel-polymer matrix reinforced with poly(ethylene terephthalate) fibers wound helically to mimic the architecture of the collagen fibers in natural tissue. Macroscopic behav-iors such as static stress-strain, stress relaxation, and dynamic frequency responses can be modulated with choice of the components and design of the composite structure. In doing so, the mechanical characteristics of natural ligaments can be qualitatively reproduced and sustained over time.

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